[{"id":1760882,"web_url":"http://patchwork.ozlabs.org/comment/1760882/","msgid":"<20170831115628.GN3311@secunet.com>","list_archive_url":null,"date":"2017-08-31T11:56:28","subject":"Re: [PATCH net-next] xfrm: Add support for network devices capable\n\tof removing the ESP trailer","submitter":{"id":1442,"url":"http://patchwork.ozlabs.org/api/people/1442/","name":"Steffen Klassert","email":"steffen.klassert@secunet.com"},"content":"On Wed, Aug 30, 2017 at 11:30:39AM +0300, yossiku@mellanox.com wrote:\n> From: Yossi Kuperman \n> \n> In conjunction with crypto offload [1], removing the ESP trailer by\n> hardware can potentially improve the performance by avoiding (1) a\n> cache miss incurred by reading the nexthdr field and (2) the necessity\n> to calculate the csum value of the trailer in order to keep skb->csum\n> valid.\n> \n> This patch introduces the changes to the xfrm stack and merely serves\n> as an infrastructure. Subsequent patch to mlx5 driver will put this to\n> a good use.\n> \n> [1] https://www.mail-archive.com/netdev@vger.kernel.org/msg175733.html\n> \n> Signed-off-by: Yossi Kuperman \n\nApplied to ipsec-next, thanks Yossi!","headers":{"Return-Path":"","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=)","Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xjgp75wYHz9t16\n\tfor ;\n\tThu, 31 Aug 2017 21:56:47 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751434AbdHaL4e (ORCPT );\n\tThu, 31 Aug 2017 07:56:34 -0400","from a.mx.secunet.com ([62.96.220.36]:58648 \"EHLO a.mx.secunet.com\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1751127AbdHaL4c (ORCPT );\n\tThu, 31 Aug 2017 07:56:32 -0400","from localhost (localhost [127.0.0.1])\n\tby a.mx.secunet.com (Postfix) with ESMTP id B4B02201BB;\n\tThu, 31 Aug 2017 13:56:31 +0200 (CEST)","from a.mx.secunet.com ([127.0.0.1])\n\tby localhost (a.mx.secunet.com [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id WHDCyDDTJ6kq; Thu, 31 Aug 2017 13:56:29 +0200 (CEST)","from mail-essen-01.secunet.de (mail-essen-01.secunet.de\n\t[10.53.40.204])\n\t(using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby a.mx.secunet.com (Postfix) with ESMTPS id 142E3201A1;\n\tThu, 31 Aug 2017 13:56:29 +0200 (CEST)","from gauss2.secunet.de (10.182.7.193) by mail-essen-01.secunet.de\n\t(10.53.40.204) with Microsoft SMTP Server id 14.3.361.1;\n\tThu, 31 Aug 2017 13:56:28 +0200","by gauss2.secunet.de (Postfix, from userid 1000) id 5E7531405C8;\n\tThu, 31 Aug 2017 13:56:28 +0200 (CEST)"],"X-Virus-Scanned":"by secunet","Date":"Thu, 31 Aug 2017 13:56:28 +0200","From":"Steffen Klassert ","To":"","CC":"Herbert Xu ,\n\t\"David S. Miller\" ,\n\tAlexey Kuznetsov ,\n\t\"Hideaki YOSHIFUJI\" ,\n\t, ,\n\t, ","Subject":"Re: [PATCH net-next] xfrm: Add support for network devices capable\n\tof removing the ESP trailer","Message-ID":"<20170831115628.GN3311@secunet.com>","References":"<1504081839-22019-1-git-send-email-yossiku@mellanox.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Disposition":"inline","In-Reply-To":"<1504081839-22019-1-git-send-email-yossiku@mellanox.com>","User-Agent":"Mutt/1.5.24 (2015-08-30)","X-G-Data-MailSecurity-for-Exchange-State":"0","X-G-Data-MailSecurity-for-Exchange-Error":"0","X-G-Data-MailSecurity-for-Exchange-Sender":"23","X-G-Data-MailSecurity-for-Exchange-Server":"d65e63f7-5c15-413f-8f63-c0d707471c93","X-EXCLAIMER-MD-CONFIG":"2c86f778-e09b-4440-8b15-867914633a10","X-G-Data-MailSecurity-for-Exchange-Guid":"1CEDA6FC-FA01-4B8B-9EA1-83FD8FD8C90E","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"netdev@vger.kernel.org"}}]